/* ============================================
   CLS by TVR · Sistema visual v2.1
   Obsidian #09080A · Amber #D4883A · Cream #FBF7F2
   Fonts: Syne (display) + DM Sans (body)
   ============================================ */

:root {
  --obsidian: #09080A;
  --amber: #D4883A;
  --cream: #FBF7F2;
  --gray-soft: #E8E4DD;
  --gray-medium: #888780;
  --whatsapp: #25D366;
  --max-width: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--obsidian);
  background: var(--cream);
}
h1, h2, h3, h4 {
  font-family: 'Syne', Georgia, serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--obsidian);
}
h1 { font-size: clamp(28px, 5vw, 44px); margin-bottom: 1rem; }
h2 { font-size: clamp(22px, 3.5vw, 32px); margin: 2rem 0 1rem; }
h3 { font-size: clamp(18px, 2.5vw, 24px); margin: 1.5rem 0 0.75rem; }
h4 { font-size: clamp(16px, 2vw, 20px); margin-bottom: 0.75rem; }
p { margin-bottom: 1rem; }
a { color: var(--amber); text-decoration: none; transition: opacity 0.2s; }
a:hover { text-decoration: underline; opacity: 0.85; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }

.btn-wa {
  display: inline-block;
  background: var(--whatsapp);
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  font-family: 'DM Sans', sans-serif;
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.btn-wa:hover { background: #1ea952; text-decoration: none; color: white; }
.btn-wa-large { font-size: 20px; padding: 18px 36px; }

.btn-amber {
  display: inline-block;
  background: var(--amber);
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  font-family: 'DM Sans', sans-serif;
  transition: opacity 0.2s;
  border: none;
  cursor: pointer;
}
.btn-amber:hover { opacity: 0.9; text-decoration: none; color: white; }
.btn-amber-large { font-size: 20px; padding: 18px 36px; }

nav {
  background: var(--obsidian);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}
nav .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
nav .logo { color: var(--cream); font-family: 'Syne', serif; font-weight: 800; font-size: 20px; letter-spacing: 0.5px; }
nav .logo:hover { text-decoration: none; opacity: 0.9; }
nav ul { list-style: none; display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
nav ul li a { color: var(--cream); font-size: 14px; font-weight: 500; }
nav ul li a:hover { color: var(--amber); }
nav ul li a.btn-wa { color: white; padding: 8px 18px; font-size: 14px; }
nav ul li a.nav-feature { color: var(--amber); font-weight: 600; }
nav ul li a.nav-feature:hover { color: var(--cream); }

header.hero { padding: 4rem 0; text-align: center; background: var(--cream); }
header.hero h1 { max-width: 900px; margin: 0 auto 1rem; }
header.hero p.lead { font-size: 18px; max-width: 720px; margin: 1rem auto; color: var(--gray-medium); }
header.hero .btn-wa, header.hero .btn-amber { margin-top: 1.5rem; }
header.hero .reviews-badge { margin-top: 1rem; font-size: 14px; color: var(--gray-medium); }

section { padding: 3rem 0; }
section:nth-child(even) { background: rgba(212, 136, 58, 0.04); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}
.feature-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 12px;
  border: 0.5px solid var(--gray-soft);
}
.feature-card h3 { color: var(--amber); font-size: 20px; margin-bottom: 0.75rem; }

.faq-item { border-bottom: 0.5px solid var(--gray-soft); padding: 1.25rem 0; }
.faq-item h3 { font-size: 18px; margin-bottom: 0.5rem; color: var(--obsidian); }
.faq-item p { margin: 0; color: var(--gray-medium); line-height: 1.7; }

.contact-block {
  background: var(--obsidian);
  color: var(--cream);
  padding: 3rem 2rem;
  border-radius: 12px;
  text-align: center;
  margin: 2rem 0;
}
.contact-block h2 { color: var(--cream); }
.contact-block p { color: rgba(251, 247, 242, 0.85); }
.contact-block .btn-wa, .contact-block .btn-amber { margin-top: 1.5rem; }

.feature-block-amber {
  background: linear-gradient(180deg, rgba(212, 136, 58, 0.08), rgba(212, 136, 58, 0.02));
  padding: 3rem 2rem;
  border-radius: 12px;
  text-align: center;
  margin: 2rem 0;
  border: 0.5px solid rgba(212, 136, 58, 0.3);
}
.feature-block-amber h2 { color: var(--obsidian); }
.feature-block-amber p { color: var(--gray-medium); max-width: 640px; margin: 1rem auto; }
.feature-block-amber .btn-amber { margin-top: 1rem; }

.quiz-preview {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  border: 0.5px solid var(--gray-soft);
  max-width: 720px;
  margin: 2rem auto;
  text-align: left;
}
.quiz-preview h3 { color: var(--obsidian); margin-bottom: 1rem; }
.quiz-preview ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.quiz-preview ol li { margin-bottom: 0.75rem; color: var(--gray-medium); }

.breadcrumbs { font-size: 14px; color: var(--gray-medium); padding: 1rem 0; }
.breadcrumbs a { color: var(--gray-medium); }

footer {
  background: var(--obsidian);
  color: var(--cream);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}
footer h4 { font-family: 'Syne', serif; color: var(--amber); margin-bottom: 1rem; font-size: 16px; }
footer .grid-footer { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
footer p { font-size: 14px; margin-bottom: 0.5rem; color: rgba(251, 247, 242, 0.85); }
footer a { color: var(--cream); }
footer a:hover { color: var(--amber); }
footer .legal { text-align: center; opacity: 0.5; font-size: 12px; margin-top: 2rem; padding-top: 2rem; border-top: 0.5px solid rgba(251, 247, 242, 0.15); }

@media (max-width: 768px) {
  nav .container { flex-direction: column; align-items: flex-start; }
  nav ul { gap: 0.75rem; font-size: 13px; }
  header.hero { padding: 2.5rem 0; }
  section { padding: 2rem 0; }
  .grid-3 { gap: 1rem; }
  .feature-card { padding: 1.5rem 1.25rem; }
  .feature-block-amber { padding: 2rem 1.25rem; }
  .quiz-preview { padding: 1.5rem 1.25rem; }
}

@media (max-width: 480px) {
  nav ul { font-size: 12px; gap: 0.5rem; }
  nav ul li a.btn-wa { padding: 6px 14px; font-size: 12px; }
}